Blue Color HNBR Rubber O Rings
Model:KXT 1710HNBR
Blue Color HNBR Rubber O Rings is made via selective hydrogenation of the NBR butadiene groups which improves the temperature and ozone resistance considerably.
Blue Color HNBR Rubber O Rings
HNBR is made via selective hydrogenation of the NBR butadiene groups which improves the temperature and ozone resistance considerably. Due to the polymer structure, HNBR offers both resistance to polar and nonpolar media. The selection for dedicated automotive applications depends on the ACN content which can range from 18% to 50% (this influences the swelling in oil), as well as on the degree of saturation (this influences the heat resistance). HNBR offers extraordinarily good mechanical properties and abrasion resistance. The operating temperature ranges, when in contact with mineral oils and greases from -30°C/-22°F to 140°C/284°F and for a short period of time up to +160°C/320°F. Special types can be used down to -40°C/-40°F.
Advantages
• High tensile strength and good physical properties at high temperatures
• High strength, helps reduce extrusion and wear
• Good abrasion resistance and oil resistance
• Superior heat resistance up to 140°C
• Superior mechanical characteristics
• Superior environmental resistance
• Improved resistance to polar fluids
• Good Chemical resistance
• Cold flexibility
• Cars
Application
• Dilute acids, bases and salt solutions at moderate temperature
• Actuator seals for gear box applications
• HFA, HFB and HFC hydraulic fluids
• Vegetable and animal fats and oils
• Water and steam up to 149°C
• Air conditioning applications
• Used for general purpose
• Automotive applications
• Refrigerents
• Hot water., etc
HNBR Properties
|
Item |
HNBR |
Test Method |
|
Color |
Blue |
|
|
Specific gravity |
1.2-1.4g/cm3 |
ASTM D297 |
|
Hardness |
40°-80° Shore A |
ASTM D2240 |
|
Tensile strength |
15 MPa (min) |
ASTM D412 |
|
Elongation at break |
200% (min) |
ASTM D412 |
|
Size |
Varies |
|
|
Compression set 170°C 22 hrs |
Permanent set 23%(max) |
ASTM D 395B |
|
Low temperature resistance |
-30 |
ASTM D1329 |
|
Temperature range |
-30°C to +170°C |
ASTM D2000 |
Chemical Compatibility Overview
|
HNBR |
Excellent |
Good |
Fair |
Poor |
|
Aliphatic Hydrocarbons |
1 |
|
|
|
|
Automatic Transmission Fluid |
1 |
|
|
|
|
Automotive refrigerants |
1 |
|
|
|
|
Brake Fluids Non-Petroleum |
|
|
3 |
|
|
Chlorinated Hydrocarbons |
|
|
|
4 |
|
Dilute Acids |
1 |
|
|
|
|
Hydraulic Fluids HFA, HFC, HFB |
1 |
|
|
|
|
Polar Solvents (Keytones) |
|
|
|
4 |
|
Salt Solutions |
|
2 |
|
|
|
Silicone Oils |
1 |
|
|
|
|
Strong Acids |
|
|
|
4 |
|
Vegetable & Animal Fats / Oils |
1 |
|
|
|
|
Water & Steam up to 300ºF |
1 |
|
|
|
HNBR |
Excellent |
Good |
Fair |
Poor |
|
Abrasion Resistance |
|
2 |
|
|
|
Acid Resistance |
1 |
|
|
|
|
Chemical Resistance |
|
|
3 |
|
|
Cold Resistance |
|
2 |
|
|
|
Compression Set Resistance |
|
2 |
|
|
|
Dynamic Properties |
|
2 |
|
|
|
Electrical Properties |
|
|
3 |
|
|
Elongation |
|
2 |
|
|
|
Flame Resistance |
|
|
|
4 |
|
Heat Resistance |
1 |
|
|
|
|
Impermeability |
|
2 |
|
|
|
Oil Resistance |
1 |
|
|
|
|
Ozone Resistance |
|
2 |
|
|
|
Tear Resistance |
|
|
3 |
|
|
Tensil Strength |
1 |
|
|
|
|
Water Steam Resistance |
1 |
|
|
|
|
Water Steam Resistance |
|
2 |
|
|
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Contact Info
-
Address
No. 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
-
-
E-mail
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